Korean Journal of Pharmacognosy (생약학회지)

The Korean Society of Pharmacognosy (한국생약학회)
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Antioxidative Activities and Quantitative Determination of Gallotannins from Barks of Acer ginnala Maxim

신나무 수피로부터 Gallotannin 화합물의 항산화 활성 및 함량분석

  • Received : 2010.07.16
  • Accepted : 2010.08.16
  • Published : 2010.09.30
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Abstract

Activity guided isolation of 80% acetone extract from the barks of Acer ginnala Maxim. yielded five gallotannins [6-galloyl-1,5-anhydroglucitol (ginnalin B) (1), acertannin (3,6-digalloyl-1,5-anhydroglucitol) (2), methyl gallate (3), acertannin (2,6-digalloyl-1,5-anhydroglucitol) (4) and gallic acid (5)]. All of these isolated compounds from Acer ginnala(1-5) were firstly isolated from Acer ginnala Maxim. And contents of compounds from barks of Acer ginnala (Comp. 1: 0.73$\pm$0.002%, Comp. 2: 0.48$\pm$0.001%, Comp. 3: 0.66$\pm$0.002%, Comp. 4: 1.05$\pm$0.002% and Comp. 5: 0.29$\pm$0.001%) were evaluated by HPLC analysis. And, in order to evaluate anti-oxidative activities on Comp. 1-5 isolated from Acer ginnala, DPPH radical scavenging activity was measured in vitro. All of these isolated compounds from Acer ginnala exhibited potent DPPH radical scavenging activities.

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References

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